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Hacker News·4 min read·medium

Rewriting Bun in Rust

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AI Summary

Jarred Sumner describes the process of rewriting the Bun runtime from Zig to Rust, highlighting the role of AI-powered coding agents in the transition. The rewrite was motivated by memory management challenges and the need for greater stability in the codebase.

Why it matters

This case study demonstrates how AI agents are changing software development practices, making large-scale refactoring projects more feasible.

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Rewriting Bun in Rust ( via ) Jarred Sumner has been promising this blog post ( since May 9th ) about his Zig to Rust rewrite of Bun for significantly longer than it took him to finish the rewrite.

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Technical report on software engineering practices.

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